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The heating coil of a water heater has a resistance of 20 ohms and operates at 210 V. How long does it take to raise the temperature of 200 kg of water from 15°C to 80°C? (Assume the specific heat capacity of water, [tex]c_{\text{water}}[/tex], is 4,186 J/kg°C.)

Answer :

The heating coil of a water heater has a resistance of 20 ω and operates at 210 v. It takes 5 hrs to raise the it take to raise the temperature of 200 kg of water from 15oc to 80oc.

What is resistance?

Obstruction is a proportion of the resistance to flow stream in an electrical circuit. Opposition is estimated in ohms, represented by the Greek letter omega (Ω). Ohms are named after Georg Simon Ohm (1784-1854), a German physicist who concentrated on the connection between voltage, current and opposition. In any case, obstruction and conductance are broad as opposed to mass properties, implying that they additionally rely upon the size and state of an item. Channels permit the free progression of power. Yet, in materials, for example, semiconductors and covers, the power encounters a specific power that goes against the free progression of electrons.

Learn more about resistance, refer: brainly.com/question/27544576

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